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FFAStrans is an unattended Windows tool aimed at broadcasters and video professionals for automatic transcoding of media files through drop folders. It's based on FFMpeg and relies on AviSynth for filters. Also it's one of the few free tools which supports multiple watch folder with separate transcoding configurations. It's best compared with the likes of Telestreams Episode and Vantage, Harmonics ProCoder, Digital Rapids Transcode Manager, Adobe Media Encoder, Amberfin iCR etc. FFAStrans is targeted at those with lots of different media formats coming from lots of different places and wants the transcoding process done automatically. FFAStrans is created by Steinar Apalnes.

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Latest version

1.0.0 (February 15, 2020)


Visit developer's site

Download FFAStrans 1.0.0 64-bit  88MB  Win64  Portable

Download other versions

Download FFAStrans 1.0.0 32-bit here The main package above is needed. Replace the files in the main package with this download.

Download old versions

Download FFAStrans old versions

Software License

Freeware (Free download and usage!)

Supported operating systems


Version history / Release notes / Changelog

What's new in version 1.0.0?


Most of the FFAStrans source code has been reviewed, refactored, conformed and cleaned of old bad, duplicate, inconsistent ad hoc code. The database has been completely rewritten to allow more complex structures to ease implementation of future advanced features. This means the main focus the last year has been rewriting and improving existing code, not adding lots of new cool features. However, we recommend all users to upgrade within at timely fashion. The old versions prior to the 1.0 branch will no longer be supported or bug fixed.

General improvements:

Lots of known and consistently reproducible issues has been addressed.
Completely rewritten internal communication model.
Use of JSON as standard database format.
Automatic restart of abnormally aborted or exited jobs.
Improved farming reliability.
User defined log level per workflow.
Faster node to node execution within same job branch.
Some faster transcoding.
Improved error feedback from encoders (ffmpeg).
Automatic youtube-dl updating on by default.
Service stopping is now reliable on Windows servers.
FFAStrans will now remember last used variables pane.
Variables are no longer limited to approx. 80k characters.
++ Loads of other improvements and fixes.
FFAStrans Workflow Manager:

Generally much more responsive GUI.
Zoom in/out to/from mouse position.
Submit files from input field.
Freely move workflow within canvas without accidental deleting connection lines.
User-defined connection box size.
Turn on/off default description text in nodes for cleaner looking workflows.
Higher in/out zoom levels.
FFAStrans Status Monitor:

Restart jobs from start or from node of failure.
Open work and log folders.
Search for keywords in log history.
Easily gather log files in native JSON format.

NEW: H265/HEVC encoder with HDR support.
NEW: DNxHR encoder.
NEW: Interlace analyzer.
NEW: ProRes encoder (prevously beta released).
NEW: Image sequence monitor (prevously beta released).
Preset support for all nodes:
Create your own preset.
Import/export presets.
Lock nodes settings to presets.
Use variables in encoders "Interlacing" selector.
The "Custom FFmpeg" node has been simplified.
Save stdout from "Command executor" node to variable.
Timeout option added to the "Command executor" node.
Better error messages from the "HTTP Communicate" and "Send e-mail" nodes.
The "A/V Media" encoder can now output same channel count as source or user defined.
The "Generate text file" now supports writing binary content from variables.
Selectable output colorspace in H264 encoder.

$read() function now supports all kinds of files, not just text based.
$regext() added option to return array of all matches.
$arrayread() added option to use zero (0) based search.
New functions:

$jsonget() - Get the value of a JSON key/object/array.
$base64dec() - Decodes the input base 64 string to string/binary.
New variables:

%s_master_display% - Master display info if present on PQ/HDR10 video.
%s_info_ffprobe% - Complete media info from ffprobe in JSON format.
%s_info_exiftool% - Complete media info from exiftool in JSON format.
%s_info_mediainfo% - Complete media info from mediainfo in JSON format.
%i_max_fall% - Maximum program average frame light level in nits.
%i_max_cll% - Maximum program light level in nits.
%i_msec% - Current millisecond.
%i_source_size% - File size of source in bytes.
Other notable changes users must be aware of:

Media cache is now global, either shared or local. Mixed mode is deprecated.
The api is now version v2 and all calls must be directed to /api/v2. Consult the discovery page for changes.
To delete connections in the workflow editor you must now press CTRL.
Once a job has been submitted or picked up, changing the workflow does not affect the ongoing job.
Old templates are now converted to new preset system that saves all node settings.
Services settings will be "zeroed out" and must be reconfigured with correct credentials.
Logging is now standard and not optional. User defined log location has been removed.
The main location for the database has moved to "Processorsdb".
Workflows are no longer stored in the "Workflows" folder.
Completely new FFAStrans wiki page includes thorough documentation with visual description and examples.

The web interface from @emcodem is now an official FFAStrans product.

View full changelog

All features

Multiple simultaneous workflows with different configurations, each run in separate processes
Easy to use graphical interface for creating complex workflows
Advanced decision making node to dynamically alter your workflow
Use functions to manipulate and extract data from strings
Extensive set of file, media and system variables
Send e-mail notification with dynamic content based on variables
Create custom user variables and statics
Generate any kind of text file populated and altered with variables
Read text files into user variables
Encode broadcast formats like XDCAM-HD, AVC-Intra and DNxHD
Configure FFAStrans to read and QuickTime reference files
Insert video or stills images
Convert images into video
Monitor local and UNC paths, FTP, Panasonic P2 and Canon-XF structures.
Create custom FFMpeg based encoder profile.
Overlay watermark and transparent video
Preserve timecode throughout transcoding
Add superimposed timecode just like real broadcast VTR's
Insert custom AviSynth script
Execute complex commands from within workflow
Set up transcoding farms for distributed files transcoding

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2 reviews, Showing 1 to 2 reviews

Very useful tools!
Not 10/10 because detailed documents and examples are missing...
Some bug on IMX-D10 encoder

Review by Guybrush on Jan 25, 2019 Version: 9.4.1 OS: Windows 10 64-bit Ease of use: 8/10 Functionality: 8/10 Value for money: 10/10 Overall: 10/10

No comments. Rating it only.

Review by Sandro Netto on May 17, 2018 Version: 0.9.0 OS: Windows 10 64-bit Ease of use: 8/10 Functionality: 9/10 Value for money: 10/10 Overall: 8/10

2 reviews, Showing 1 to 2 reviews

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